tests: compare the socket receive count without a sign mismatch

Recv reports a signed int count and payload.size() is size_t, which trips
-Werror=sign-compare and stops the tests target from building.

Assisted-by: DeepSeek V4.1 Flash (diagnosis and patch)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tests/core/internal_network/socket_proxy.cpp b/src/tests/core/internal_network/socket_proxy.cpp
index 137de5b421..26fc65a260 100644
--- a/src/tests/core/internal_network/socket_proxy.cpp
+++ b/src/tests/core/internal_network/socket_proxy.cpp
@@ -54,7 +54,7 @@ TEST_CASE("Room UDP sockets receive queued datagrams with recv", "[core][sockets
     std::array<u8, 4> received{};
     const auto [count, error] = socket.Recv(0, received);
     REQUIRE(error == Network::Errno::SUCCESS);
-    REQUIRE(count == payload.size());
+    REQUIRE(count == static_cast<int>(payload.size()));
     REQUIRE(received == payload);
 
     const auto [empty_count, empty_error] = socket.Recv(0, received);